Domain | Indicator | Description |
---|---|---|
Robustness | \(P_{D}\) | Detection probability |
 | \(P_{{{\text{FA}}}}\) | Missing detection probability (fixed design parameter) |
Security | \(L_{{{\text{ek}}}}\) | Effective key length |
 | MPT | Maximum predictable time |
 | USR | Unpredictable symbol rate |
 | USW | Unpredictable symbol width |
Efficiency | \(t_{{{\text{TTFAF}}}}\) | Time to the first authenticated fix* |
 | \(t_{{{\text{TBA}}}}\) | Time between authentications |
Cost | \(L_{{C/N_{0} }}\) | Equivalent loss in signal \(C/N_{0}\) |
 | \(R_{s}\) | Server communication rate |
 | \(R_{u}\) | User communication rate |
 | \(N_{{\text{cal,s}}}\) | Satellite calculation complexity |
 | \(N_{{\text{cal,r}}}\) | Receiver calculation complexity |
 | \(N_{{\text{storage,s}}}\) | Satellite storage requirement |
 | \(N_{{\text{storage,r}}}\) | Receiver storage requirement |